public static Generic.IEnumerator <T> Create <T>(Generic.IEnumerator <T> enumerator)
{
return(enumerator.NotNull() ? Enumerator.Create(() => enumerator.Next(), enumerator.Reset, enumerator.Dispose) : Enumerator.Empty <T>());
}
public static int Index <T>(this Generic.IEnumerator <T> me, params T[] needles)
where T : IEquatable <T>
{
return(me.Index(element => needles.Contains(element)));
}
public static Generic.IEnumerator <byte> Encode(this Generic.IEnumerator <char> me)
{
return(me.Encode(Encoding.Utf8));
}
public Tasks.Task <bool> Write(Generic.IEnumerator <byte> buffer)
{
return(this.outDevice?.Write(buffer));
}
public static Generic.IEnumerator <T> Append <T>(this Generic.IEnumerator <T> me, Generic.IEnumerator <T> other)
{
if (me.NotNull())
{
while (me.MoveNext())
{
yield return(me.Current);
}
}
if (other.NotNull())
{
while (other.MoveNext())
{
yield return(other.Current);
}
}
}
public Decoder(IByteInDevice backend, System.Text.Encoding encoding)
{
this.backend = backend;
this.encoding = encoding;
this.queue = this.backend.AsEnumerable().Decode(this.encoding).Cast(c => (char?)c).GetEnumerator();
}
public static async Tasks.Task <bool> WriteLine(this ITextWriter me, Generic.IEnumerator <char> value)
{
return(await me.Write(value) && await me.WriteLine());
}
public static Generic.IEnumerator <TResult> Zip <TLeft, TRight, TResult>(this Generic.IEnumerator <TLeft> me, Generic.IEnumerator <TRight> other, Func <TLeft, TRight, TResult> combine)
{
if (me.NotNull() && other.NotNull() && combine.NotNull())
{
while (me.MoveNext() && other.MoveNext())
{
yield return(combine(me.Current, other.Current));
}
}
}
internal static ICharacterInDevice Open(Generic.IEnumerator <char> content)
{
return(new CharacterInDevice(content));
}
private CharacterInDevice(Generic.IEnumerator <char> value)
{
this.backend = value;
this.Move();
}
public static int Hash <T>(this object me, Generic.IEnumerator <T> others)
{
return(unchecked (me.Hash() * 31 + (others.MoveNext() ? others.Current.Hash(others) : 0)));
}
public Tasks.Task <bool> Write(Generic.IEnumerator <char> buffer)
{
return(this.Write(buffer.Encode(this.Encoding)));
}
public static ITextReader From(Generic.IEnumerator <char> content)
{
return(TextReader.Open(CharacterInDevice.Open(content)));
}
public static T Next <T>(this Generic.IEnumerator <T> me, T @default = default(T))
{
return(me.NotNull() && me.MoveNext() ? me.Current : @default);
}
public async Tasks.Task <bool> Write(Generic.IEnumerator <char> buffer)
{
return(this.Opened && await this.write(buffer));
}
public static T[] ToArray <T>(this Generic.IEnumerator <T> me)
{
return(me.NotNull() ? me.ToArray(0) : null);
}
public void Prepend(Generic.IEnumerable <char> expect, Generic.IEnumerator <char> prefix, Generic.IEnumerator <char> postfix)
{
Assert.Equal(expect.ToArray(), postfix.Prepend(prefix).ToArray());
}
public static Generic.IEnumerator <T> Append <T>(this Generic.IEnumerator <T> me, params T[] other)
{
return(me.Append(((Generic.IEnumerable <T>)other).GetEnumerator()));
}
public NewLineConverter(Generic.IEnumerator <char> backend, params char[] newLine)
{
this.backend = backend;
this.newLine = newLine;
}
public static bool SameOrEquals <T>(this Generic.IEnumerator <T> me, Generic.IEnumerator <T> other)
{
return(me.IsNull() && other.IsNull() ||
me.NotNull() && other.NotNull() && (me.MoveNext() ? other.MoveNext() && me.Current.SameOrEquals(other.Current) && me.SameOrEquals(other) : !other.MoveNext()));
}
public async Tasks.Task <bool> Write(Generic.IEnumerator <char> buffer)
{
this.buffer = this.buffer.Append(new NewLineConverter(buffer, this.NewLine));
return((!this.AutoFlush || await this.Flush()) && this.Writable);
}
public bool Close()
{
bool result;
if (result = this.backend.NotNull() && this.backend.Close())
{
this.backend = null;
this.queue = null;
}
return result;
}
public static ICharacterInDevice From(Generic.IEnumerator <char> content)
{
return(CharacterInDevice.Open(content));
}